WWUS53 KUNR 232043 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 243 PM MDT Sun Aug 23 2026 SDC103-232115- /O.CON.KUNR.SV.W.0316.000000T0000Z-260823T2115Z/ Pennington SD- 243 PM MDT Sun Aug 23 2026 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM MDT FOR CENTRAL PENNINGTON COUNTY... At 243 PM MDT, a severe thunderstorm was located near Hisega, or 9 miles northeast of Hill City, moving south at 10 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Johnson Siding, Hisega, Sheridan Lake, Pactola Reservoir and Palmer Gulch Resort. PRECAUTIONARY/PREPAREDNESS ACTIONS... Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing large hail. Very heavy rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4406 10353 4411 10344 4406 10335 4397 10334 4389 10355 TIME...MOT...LOC 2035Z 337DEG 9KT 4403 10344 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ Helgeson